Color

#511461

#511461
hex#511461
rgbrgb(81, 20, 97)
hslhsl(288, 66%, 23%)
oklchoklch(0.332 0.135 318.2)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0311

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#236114

#2b1461 · #61144a

#615214 · #146152

Split-complementary

Open in tool →

#4a6114 · #14612b

#612b14 · #236114 · #144a61

Contrast

#511461 as textRatioAAAA largeAAAFix
Aaon white
12.94:1passpasspassPasses AAA — no fix needed.
Aaon black
1.62:1failfailfail
  • AA: use #b738d6 as the text (4.55:1)
  • AAA: use #cc73e2 as the text (7.12:1)
  • AA: or shift the background to #999999 (4.54:1)
  • AAA: or shift the background to #bfbfbf (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #511461 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#511461 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #511461
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #511461 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/511461-be9fc1-aacb62-2d1f2a-ece9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md